Lockable folding chair



FIG. 1 is a perspective view of the chair.

FIG. 2 is a front view of the chair.

FIG. 3 is a side view of the right side of the chair.

FIG. 4 is a side view of the left side of the chair.

FIG. 5 is a back view of the chair.

FIG. 6 is a top view of the chair; and,

FIG. 7 is a bottom view of the chair.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design of a lockable folding chair, as shown and described. 